class_docstr: A handle to a query that is executing continuously in the background as new data arrives.
  All these methods are thread-safe.
  
  .. versionadded:: 2.0.0
  
  .. versionchanged:: 3.5.0
      Supports Spark Connect.
  
  Notes
  -----
  This API is evolving.
docstr: Returns the unique id of this query that does not persist across restarts. That is, every
  query that is started (or restarted from checkpoint) will have a different runId.
  
  .. versionadded:: 2.1.0
  
  .. versionchanged:: 3.5.0
      Supports Spark Connect.
  
  Returns
  -------
  str
      The unique id of query that does not persist across restarts.
  
  Examples
  --------
  >>> sdf = spark.readStream.format("rate").load()
  >>> sq = sdf.writeStream.format('memory').queryName('this_query').start()
  
  Get the unique id of this query that does not persist across restarts
  
  >>> sq.runId
  '...'
  
  >>> sq.stop()
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code: def runId(self) -> str:
      """
      Returns the unique id of this query that does not persist across restarts. That is, every
      query that is started (or restarted from checkpoint) will have a different runId.
  
      .. versionadded:: 2.1.0
  
      .. versionchanged:: 3.5.0
          Supports Spark Connect.
  
      Returns
      -------
      str
          The unique id of query that does not persist across restarts.
  
      Examples
      --------
      >>> sdf = spark.readStream.format("rate").load()
      >>> sq = sdf.writeStream.format('memory').queryName('this_query').start()
  
      Get the unique id of this query that does not persist across restarts
  
      >>> sq.runId
      '...'
  
      >>> sq.stop()
      """
      return self._jsq.runId().toString()
  
imports: import json
  from typing import Any, Dict, List, Optional
  from py4j.java_gateway import JavaObject, java_import
  from pyspark.errors import StreamingQueryException, PySparkValueError
  from pyspark.errors.exceptions.captured import StreamingQueryException
  from pyspark.sql.streaming.listener import StreamingQueryListener
label_desc: Use image node_id 3 for calling the StreamingQuery obj's underlying member method code with example usage: obj.runId() and returns: self